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How many days did he work, and how many days was he idle ? Let x = the number of days he worked.
An Introduction to Algebra: Upon the Inductive Method of Instruction - Σελίδα 35
των Warren Colburn - 1837 - 276 σελίδες
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## Elementary Algebra ; Ray's Algebra: Part First, on the Analytic and ...

Joseph Ray - 1848 - 240 σελίδες
...boarding. At the expiration of thu time, he received 3 dollars; how many days did lie •work, and hoiv many days was he idle? Let x= the number of days he worked. Then 30 — z= the number of days he was idle. Also 25x= wages duo for work. And 20(30 — z)= the amount...

## Ray's Algebra, Part First: On the Analytic and Inductive Methods of ...

Joseph Ray - 1848 - 240 σελίδες
...was idle, he paid 20 cents for his boarding. At the expiration of the time, he received 3 dollars ; how many days did he work, and how many days was he idle ? Let z= the number of days he worked. Then 30 — z= the number of days he was idle-. Also 25a:== wages...

## The Calendar of Owens college, Manchester

Manchester univ - 1877
...day he works, and pays q pence for every day he is idle. At the end of the time he receives a pence. How many days did he work, and how many days was he idle ? JUNIOR GEOMETRY. 2. If a straight line intersect two parallel straight lines, it makes the two interior...